After the succesull launch of Firefox 1.0, your open-source experience is now complete with the recent launch of Thunderbird 1.0 e-mail client.
The only 5.8 MB download, is getting you a lot of great features:
• Significant theme improvements;
• Migration improvements for Outlook 2003, Eudora and Mozilla Suite users;
• Saved Search Folder Improvements
• Message Grouping Improvements
• Improved RSS support